Ok then, assuming I now have a legit copy of windows vista as a iso What instructions/steps would I need to follow to get the iso burned to my usb and make sure it is bootable. When I use "disks" on...

I've had linux for some time now and even if it is rare I want to get a anti virus incase of a virus. Does anyone know a good one that is free and could you tell me how to install it (I've had it for...